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HOMESERVICE MANUALSMAZDA1991RX-7 BASE, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSENGINE SENSORS & SWITCHESAIRFLOW METER/SENSOR INSPECTION
1991 Mazda RX-7 Base, 2D Convertible, Standard

Airflow Meter/Sensor Inspection

1991 Mazda RX-7 Base, 2D Convertible, StandardSECTION Airflow Meter/Sensor Inspection

Using ohmmeter, measure resistance between designated terminals. See Fig 1 . See AIRFLOW METER RESISTANCE  table. Reading must be within specification. Ensure measuring cone moves freely in airflow meter without binding. See Fig 2 .

AIRFLOW METER RESISTANCE

Terminals Temperature Ohms
E2-Vs
Closed 68°F (20°C) 200-1000
Open 68°F (20°C) 20-800
E2-Vc (1) 68°F (20°C) 200-400
E2-THA (2)
**** -4°F (-20°C) 10,000-20,000
**** 32°F (0°C) 4000-7000
**** 68°F (20°C) 2000-3000
**** 104°F (40°C) 900-1300
**** 140°F (60°C) 400-700
(1) Measurement is from closed to open.
(2) Intake air temperature sensor.
Fig 1: Identifying Airflow Meter Terminals
G117769Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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